100224425 has 12 divisors (see below), whose sum is σ = 142032576. Its totient is φ = 68725200.

The previous prime is 100224391. The next prime is 100224497. The reversal of 100224425 is 524422001.

It is a happy number.

It is not a de Polignac number, because 100224425 - 2⁶ = 100224361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100224397 and 100224406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286181 + ... + 286530.

It is an arithmetic number, because the mean of its divisors is an integer number (11836048).

Almost surely, 2^100224425 is an apocalyptic number.

It is an amenable number.

100224425 is a deficient number, since it is larger than the sum of its proper divisors (41808151).

100224425 is an equidigital number, since it uses as much as digits as its factorization.

100224425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572728 (or 572723 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 100224425 is about 10011.2149612322. The cubic root of 100224425 is about 464.5058534527.

Adding to 100224425 its reverse (524422001), we get a palindrome (624646426).

The spelling of 100224425 in words is "one hundred million, two hundred twenty-four thousand, four hundred twenty-five".